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/* SPDX-License-Identifier: BSD-3-Clause */
#include <string.h>
#include "log.h"
#include "tpm2_cc_util.h"
typedef struct cc_map cc_map;
struct cc_map {
TPM2_CC cc;
const char *str;
};
#define ADDCC(c) { .str = #c, .cc = c }
static const cc_map _g_map[] = {
ADDCC(TPM2_CC_NV_UndefineSpaceSpecial),
ADDCC(TPM2_CC_EvictControl),
ADDCC(TPM2_CC_HierarchyControl),
ADDCC(TPM2_CC_NV_UndefineSpace),
ADDCC(TPM2_CC_ChangeEPS),
ADDCC(TPM2_CC_ChangePPS),
ADDCC(TPM2_CC_Clear),
ADDCC(TPM2_CC_ClearControl),
ADDCC(TPM2_CC_ClockSet),
ADDCC(TPM2_CC_HierarchyChangeAuth),
ADDCC(TPM2_CC_NV_DefineSpace),
ADDCC(TPM2_CC_PCR_Allocate),
ADDCC(TPM2_CC_PCR_SetAuthPolicy),
ADDCC(TPM2_CC_PP_Commands),
ADDCC(TPM2_CC_SetPrimaryPolicy),
ADDCC(TPM2_CC_FieldUpgradeStart),
ADDCC(TPM2_CC_ClockRateAdjust),
ADDCC(TPM2_CC_CreatePrimary),
ADDCC(TPM2_CC_NV_GlobalWriteLock),
ADDCC(TPM2_CC_GetCommandAuditDigest),
ADDCC(TPM2_CC_NV_Increment),
ADDCC(TPM2_CC_NV_SetBits),
ADDCC(TPM2_CC_NV_Extend),
ADDCC(TPM2_CC_NV_Write),
ADDCC(TPM2_CC_NV_WriteLock),
ADDCC(TPM2_CC_DictionaryAttackLockReset),
ADDCC(TPM2_CC_DictionaryAttackParameters),
ADDCC(TPM2_CC_NV_ChangeAuth),
ADDCC(TPM2_CC_PCR_Event),
ADDCC(TPM2_CC_PCR_Reset),
ADDCC(TPM2_CC_SequenceComplete),
ADDCC(TPM2_CC_SetAlgorithmSet),
ADDCC(TPM2_CC_SetCommandCodeAuditStatus),
ADDCC(TPM2_CC_FieldUpgradeData),
ADDCC(TPM2_CC_IncrementalSelfTest),
ADDCC(TPM2_CC_SelfTest),
ADDCC(TPM2_CC_Startup),
ADDCC(TPM2_CC_Shutdown),
ADDCC(TPM2_CC_StirRandom),
ADDCC(TPM2_CC_ActivateCredential),
ADDCC(TPM2_CC_Certify),
ADDCC(TPM2_CC_PolicyNV),
ADDCC(TPM2_CC_CertifyCreation),
ADDCC(TPM2_CC_Duplicate),
ADDCC(TPM2_CC_GetTime),
ADDCC(TPM2_CC_GetSessionAuditDigest),
ADDCC(TPM2_CC_NV_Read),
ADDCC(TPM2_CC_NV_ReadLock),
ADDCC(TPM2_CC_ObjectChangeAuth),
ADDCC(TPM2_CC_PolicySecret),
ADDCC(TPM2_CC_Rewrap),
ADDCC(TPM2_CC_Create),
ADDCC(TPM2_CC_ECDH_ZGen),
ADDCC(TPM2_CC_HMAC),
ADDCC(TPM2_CC_Import),
ADDCC(TPM2_CC_Load),
ADDCC(TPM2_CC_Quote),
ADDCC(TPM2_CC_RSA_Decrypt),
ADDCC(TPM2_CC_HMAC_Start),
ADDCC(TPM2_CC_SequenceUpdate),
ADDCC(TPM2_CC_Sign),
ADDCC(TPM2_CC_Unseal),
ADDCC(TPM2_CC_PolicySigned),
ADDCC(TPM2_CC_ContextLoad),
ADDCC(TPM2_CC_ContextSave),
ADDCC(TPM2_CC_ECDH_KeyGen),
ADDCC(TPM2_CC_EncryptDecrypt),
ADDCC(TPM2_CC_FlushContext),
ADDCC(TPM2_CC_LoadExternal),
ADDCC(TPM2_CC_MakeCredential),
ADDCC(TPM2_CC_NV_ReadPublic),
ADDCC(TPM2_CC_PolicyAuthorize),
ADDCC(TPM2_CC_PolicyAuthValue),
ADDCC(TPM2_CC_PolicyCommandCode),
ADDCC(TPM2_CC_PolicyCounterTimer),
ADDCC(TPM2_CC_PolicyCpHash),
ADDCC(TPM2_CC_PolicyLocality),
ADDCC(TPM2_CC_PolicyNameHash),
ADDCC(TPM2_CC_PolicyOR),
ADDCC(TPM2_CC_PolicyTicket),
ADDCC(TPM2_CC_ReadPublic),
ADDCC(TPM2_CC_RSA_Encrypt),
ADDCC(TPM2_CC_StartAuthSession),
ADDCC(TPM2_CC_VerifySignature),
ADDCC(TPM2_CC_ECC_Parameters),
ADDCC(TPM2_CC_FirmwareRead),
ADDCC(TPM2_CC_GetCapability),
ADDCC(TPM2_CC_GetRandom),
ADDCC(TPM2_CC_GetTestResult),
ADDCC(TPM2_CC_Hash),
ADDCC(TPM2_CC_PCR_Read),
ADDCC(TPM2_CC_PolicyPCR),
ADDCC(TPM2_CC_PolicyRestart),
ADDCC(TPM2_CC_ReadClock),
ADDCC(TPM2_CC_PCR_Extend),
ADDCC(TPM2_CC_PCR_SetAuthValue),
ADDCC(TPM2_CC_NV_Certify),
ADDCC(TPM2_CC_EventSequenceComplete),
ADDCC(TPM2_CC_HashSequenceStart),
ADDCC(TPM2_CC_PolicyPhysicalPresence),
ADDCC(TPM2_CC_PolicyDuplicationSelect),
ADDCC(TPM2_CC_PolicyGetDigest),
ADDCC(TPM2_CC_TestParms),
ADDCC(TPM2_CC_Commit),
ADDCC(TPM2_CC_PolicyPassword),
ADDCC(TPM2_CC_ZGen_2Phase),
ADDCC(TPM2_CC_EC_Ephemeral),
ADDCC(TPM2_CC_PolicyNvWritten),
ADDCC(TPM2_CC_PolicyTemplate),
ADDCC(TPM2_CC_CreateLoaded),
ADDCC(TPM2_CC_PolicyAuthorizeNV),
ADDCC(TPM2_CC_EncryptDecrypt2),
ADDCC(TPM2_CC_AC_GetCapability),
ADDCC(TPM2_CC_AC_Send),
ADDCC(TPM2_CC_Policy_AC_SendSelect),
ADDCC(TPM2_CC_Vendor_TCG_Test),
};
bool tpm2_cc_util_from_str(const char *str, TPM2_CC *cc) {
if (!str || !cc) {
return false;
}
bool result = tpm2_util_string_to_uint32(str, cc);
if (result) {
return true;
}
size_t i;
for (i = 0; i < ARRAY_LEN(_g_map); i++) {
const cc_map *m = &_g_map[i];
if (!strcmp(str, m->str)) {
*cc = m->cc;
return true;
}
}
LOG_ERR("Could not convert command-code to number, got: \"%s\"", str);
return false;
}
const char *tpm2_cc_util_to_str(TPM2_CC cc) {
size_t i;
for (i = 0; i < ARRAY_LEN(_g_map); i++) {
const cc_map *m = &_g_map[i];
if (m->cc == cc) {
return m->str;
}
}
/* we intentionally don't decode hex here so we don't have to keep
* an internal buffer state that could be clobbered. Thus keeping it
* reentrant and thread safe even though the tools never need thread
* safety.
*
* DO NOT LOG ERROR as tpm2_getcap can have unknown commands and knows
* how to deal with NULL returns.
*/
return NULL;
}
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